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Definition of underfloor
underfloor
/ˌʌn.dɚˈflɔːr/
un · der · floor
Plural:underfloors
underfloor Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
3
underfloor Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Located, installed, or operating beneath the floor of a building or vehicle.
Example
"The newly renovated bathroom features an energy-efficient underfloor heating system."
Synonyms
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View all antonyms for underfloor• noun
1
A supporting structure or base layer situated directly beneath a finished floor; a subfloor.
Example
"The carpenters inspected the wooden underfloor for signs of moisture damage before laying the new tiles."
Synonyms
View all synonyms for underfloor• adverb
1
Beneath the floor of a room, building, or vehicle.
Example
"All the electrical wiring and plumbing pipes were neatly routed underfloor during the remodel."
Antonyms
View all antonyms for underfloor• Rhymes for underfloor
• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Underfloor. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/underfloor